/////////////////////////////////////////////////////////////////////////////
// Original code from libhdfs3. Copyright (c) 2013 - 2014, Pivotal Inc.
// All rights reserved. Author: Zhanwei Wang
/////////////////////////////////////////////////////////////////////////////
//  Modifications by Kumo Inc.
// Copyright (C) Kumo inc. and its affiliates.
// Author: Jeff.li lijippy@163.com
// All rights reserved.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published
// by the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.
//



#pragma once

#include <arpa/inet.h>
#include <cstring>

namespace Hdfs {
    namespace Internal {
        static inline int16_t ReadBigEndian16FromArray(const char *buffer) {
            int16_t retval;
            retval = ntohs(*reinterpret_cast<const int16_t *>(buffer));
            return retval;
        }

        static inline int32_t ReadBigEndian32FromArray(const char *buffer) {
            int32_t retval;
            retval = ntohl(*reinterpret_cast<const int32_t *>(buffer));
            return retval;
        }

        static inline char *WriteBigEndian16ToArray(int16_t value, char *buffer) {
            int16_t bigValue = htons(value);
            memcpy(buffer, reinterpret_cast<const char *>(&bigValue), sizeof(int16_t));
            return buffer + sizeof(int16_t);
        }

        static inline char *WriteBigEndian32ToArray(int32_t value, char *buffer) {
            int32_t bigValue = htonl(value);
            memcpy(buffer, reinterpret_cast<const char *>(&bigValue), sizeof(int32_t));
            return buffer + sizeof(int32_t);
        }
    }
}
